30 More than 20 years ago he was badlywounded in the anti-Vietnam war Since then he can only walk _____ an arm-chair

It is thoughtful ________him ________hisCDs for us.　

A new bridge was built over the river a young soldier who lost his life while rescuing a drowning boy.

Mary is going to quit her job because she is tired of _____ by her boss every day. [ ]

Look at the problem! it’s very difficult, I have worked it out.— Good job.